From bbc68ffb1c9cc55844f4130e15af75042a0384eb Mon Sep 17 00:00:00 2001
From: Sergeanur <s.anureev@yandex.ua>
Date: Sat, 11 Jan 2020 14:50:11 +0200
Subject: AccidentManager

---
 src/core/Accident.cpp | 101 +++++++++++++++++++++++++++++++++++++++++++-------
 1 file changed, 88 insertions(+), 13 deletions(-)

(limited to 'src/core/Accident.cpp')

diff --git a/src/core/Accident.cpp b/src/core/Accident.cpp
index a42280b7..d8313ddc 100644
--- a/src/core/Accident.cpp
+++ b/src/core/Accident.cpp
@@ -1,26 +1,70 @@
 #include "common.h"
 #include "patcher.h"
-#include "AccidentManager.h"
+#include "Accident.h"
 
 #include "Ped.h"
+#include "Pools.h"
+#include "World.h"
 
 CAccidentManager& gAccidentManager = *(CAccidentManager*)0x87FD10;
 
-WRAPPER void CAccidentManager::Update(void) { EAXJMP(0x456710); }
+CAccident*
+CAccidentManager::GetNextFreeAccident()
+{
+	for (int i = 0; i < NUM_ACCIDENTS; i++) {
+		if (m_aAccidents[i].m_pVictim == nil)
+			return &m_aAccidents[i];
+	}
 
-uint16
-CAccidentManager::CountActiveAccidents()
+	return nil;
+}
+
+void
+CAccidentManager::ReportAccident(CPed *ped)
 {
-	uint16 accidents = 0;
-	for (int i = 0; i < NUM_ACCIDENTS; i++){
-		if (m_aAccidents[i].m_pVictim)
-			accidents++;
+	if (!ped->IsPlayer() && ped->CharCreatedBy != MISSION_CHAR && !ped->bRenderScorched && !ped->bBodyPartJustCameOff && ped->bAllowMedicsToReviveMe && !ped->bIsInWater) {
+		for (int i = 0; i < NUM_ACCIDENTS; i++) {
+			if (m_aAccidents[i].m_pVictim != nil && m_aAccidents[i].m_pVictim == ped)
+				return;
+		}
+
+		if (ped->m_pCurrentPhysSurface == nil) {
+			CVector point = ped->GetPosition();
+			point.z -= 2.0f;
+
+			CColPoint colPoint;
+			CEntity *pEntity; 
+
+			if (!CWorld::ProcessVerticalLine(point, -100.0f, colPoint, pEntity, true, false, false, false, false, false, nil)) {
+				CAccident *accident = GetNextFreeAccident();
+				if (accident != nil) {
+					accident->m_pVictim = ped;
+					ped->RegisterReference((CEntity**)&accident->m_pVictim);
+					accident->m_nMedicsPerformingCPR = 0;
+					accident->m_nMedicsAttending = 0;
+					ped->m_lastAccident = accident;
+					WorkToDoForMedics();
+				}
+			}
+		}
+	}
+}
+
+void
+CAccidentManager::Update()
+{
+	int32 e;
+	if (CEventList::GetEvent(EVENT_INJURED_PED, &e)) {
+		CPed *ped = CPools::GetPed(gaEvent[e].entityRef);
+		if (ped) {
+			ReportAccident(ped);
+			CEventList::ClearEvent(e);
+		}
 	}
-	return accidents;
 }
 
 CAccident*
-CAccidentManager::FindNearestAccident(CVector vecPos, float* pDistance)
+CAccidentManager::FindNearestAccident(CVector vecPos, float *pDistance)
 {
 	for (int i = 0; i < MAX_MEDICS_TO_ATTEND_ACCIDENT; i++){
 		int accidentId = -1;
@@ -48,12 +92,43 @@ CAccidentManager::FindNearestAccident(CVector vecPos, float* pDistance)
 	return nil;
 }
 
+uint16
+CAccidentManager::CountActiveAccidents()
+{
+	uint16 accidents = 0;
+	for (int i = 0; i < NUM_ACCIDENTS; i++) {
+		if (m_aAccidents[i].m_pVictim)
+			accidents++;
+	}
+	return accidents;
+}
+
 bool
-CAccidentManager::UnattendedAccidents(void)
+CAccidentManager::WorkToDoForMedics()
 {
 	for (int i = 0; i < NUM_ACCIDENTS; i++) {
-		if (m_aAccidents[i].m_pVictim && m_aAccidents[i].m_nMedicsAttending == 0)
+		if (m_aAccidents[i].m_pVictim != nil && m_aAccidents[i].m_nMedicsAttending < MAX_MEDICS_TO_ATTEND_ACCIDENT)
 			return true;
 	}
 	return false;
-}
\ No newline at end of file
+}
+
+bool
+CAccidentManager::UnattendedAccidents()
+{
+	for (int i = 0; i < NUM_ACCIDENTS; i++) {
+		if (m_aAccidents[i].m_pVictim != nil && m_aAccidents[i].m_nMedicsAttending == 0)
+			return true;
+	}
+	return false;
+}
+
+STARTPATCHES
+	InjectHook(0x4565A0, &CAccidentManager::GetNextFreeAccident, PATCH_JUMP);
+	InjectHook(0x4565D0, &CAccidentManager::ReportAccident, PATCH_JUMP);
+	InjectHook(0x456710, &CAccidentManager::Update, PATCH_JUMP);
+	InjectHook(0x456760, &CAccidentManager::FindNearestAccident, PATCH_JUMP);
+	InjectHook(0x456880, &CAccidentManager::CountActiveAccidents, PATCH_JUMP);
+	InjectHook(0x4568A0, &CAccidentManager::WorkToDoForMedics, PATCH_JUMP);
+	InjectHook(0x4568D0, &CAccidentManager::UnattendedAccidents, PATCH_JUMP);
+ENDPATCHES
-- 
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